Drive up to Bogus Basin right now and look out over the Treasure Valley; you’ll see a haze hanging over Boise and its surrounding cities. But for those below the haze … the view is not so interesting.

For those hoping to get relief from the inversion, you’ll have to wait until at least early next week, according to the ...

As the cool air sinks, the warm air rises over the top and traps the cold air below. If you travel from downtown Boise to the ...

Treasure Valley inversion strengthens as upper ridge moves overhead, bringing continued fog and air quality issues before ...

Rare rime ice and ground-level ice crystals form across Boise as deep temperature inversion creates perfect conditions for ...

The bottom line? High pressure ridge continues to build with declining air quality in northern valleys but rebounding ...

Inversions are still in place across the northern valleys, leading to more haze, poor air quality, & areas of morning fog.

A rare temperature inversion has flipped Bay Area weather, warming mountain ridges while cold, foggy valleys grapple with poor air quality and low visibility.

The bottom line? A big ridge of high pressure has set up shop across the western U.S. leading to inversion haze, bad air ...

Winter weather in Reno is bringing more than just cold temperatures; it is also trapping pollution over the valley through a ...

BOISE, Idaho — Living in Idaho means getting to enjoy a beautiful landscape. The state has mountains, valleys, farmlands, forests, rivers, lakes and more - and some of these features affect the ...